CN108870389A - Fire cover, burner, burner and the gas-cooker of burner for gas kitchen range - Google Patents

Fire cover, burner, burner and the gas-cooker of burner for gas kitchen range Download PDF

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Publication number
CN108870389A
CN108870389A CN201710337518.8A CN201710337518A CN108870389A CN 108870389 A CN108870389 A CN 108870389A CN 201710337518 A CN201710337518 A CN 201710337518A CN 108870389 A CN108870389 A CN 108870389A
Authority
CN
China
Prior art keywords
burner
gas
outer ring
fire cover
inner ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710337518.8A
Other languages
Chinese (zh)
Other versions
CN108870389B (en
Inventor
曾庆中
张神洲
苗伟伟
刘申昌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Electrical Appliances Jiangsu Co Ltd
BSH Hausgeraete GmbH
Original Assignee
BSH Electrical Appliances Jiangsu Co Ltd
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Electrical Appliances Jiangsu Co Ltd, BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Electrical Appliances Jiangsu Co Ltd
Priority to CN201710337518.8A priority Critical patent/CN108870389B/en
Priority claimed from EP18172353.7A external-priority patent/EP3404324B1/en
Publication of CN108870389A publication Critical patent/CN108870389A/en
Application granted granted Critical
Publication of CN108870389B publication Critical patent/CN108870389B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/48Nozzles
    • F23D14/58Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/62Mixing devices; Mixing tubes

Abstract

A kind of fire cover of burner for gas kitchen range, burner, burner and gas-cooker.The fire cover includes inner ring cover (10), and bottom has the first recessed portion (11) of indent, and the inner ring cover (10) is equipped with the first gas outlet (101) for being connected to first recessed portion (11);It is looped around the outer ring cover (20) of inner ring cover (10) periphery, the bottom of the outer ring cover (20) is recessed outer ring recessed portion (21), the outer ring cover (20) is equipped with the outer ring gas outlet (201,202) for being connected to the outer ring recessed portion (21);The second gas outlet (102) are additionally provided on the inner ring cover (10), under the use state of the fire cover (3), first recessed portion (11) is isolated with the outer ring recessed portion (21), and second gas outlet (102) is connected with the outer ring recessed portion (21).It can realize small fire power it is sufficiently small and reduce CO.

Description

Fire cover, burner, burner and the gas-cooker of burner for gas kitchen range
【Technical field】
The present invention relates to gas-cooker field, the fire covers for referring in particular to a kind of burner for gas kitchen range, the furnace with the fire cover Head, the burner with the burner and the gas-cooker with the burner.
【Background technique】
Cooking method makes consumers wish that the thermic load of household cooker product is big as far as possible, and energy-saving effect is as far as possible It is good.Therefore, such product becomes the emphasis of each gas-cooker producer research and development.
For the burner with interior ring flame and outer ring flame, interior ring flame to the thermal efficiency for promoting burner and The bottom of a pan is heated evenly all to contribute.In view of this two o'clock, for the burner of certain power, in the inner ring of burner maximum When fiery, reach certain power to guarantee the thermal efficiency, while be heated evenly the bottom of a pan, then in the minimum fire of inner ring, the function of inner ring Rate can not be lower than certain value, otherwise be easy to appear flame-out problem.For example, coming for the burner that rated heat input, rated heat load is 4.0kw It says, power of the inner ring of burner in most high fire is to reach 800w or more, to guarantee the thermal efficiency and be heated evenly the bottom of a pan, So when burner inner ring is switched to most small fire by valve body, the power of inner ring cannot be less than 300w, and otherwise flame is difficult to normally It maintains, is easy flame-out or tempering.
【Summary of the invention】
It is an object of the present invention to provide a kind of improved gas-cooker burning at least one above technical problem The fire cover of device, the burner with the fire cover, the burner with the burner and the gas-cooker with the burner.
To reach above-mentioned technical purpose, present invention firstly provides a kind of the following technical solutions:A kind of gas-cooker burning The fire cover of device, including inner ring cover and outer ring cover, bottom have the first recessed portion of indent, and first recessed portion is for holding Receive the combustion gas supplied by inner ring gas nozzle, the inner ring cover is equipped with the first gas outlet for being connected to first recessed portion; The outer ring cover is looped around the inner ring cover periphery, and the bottom of the outer ring cover is recessed outer ring recessed portion, described For outer ring recessed portion for accommodating the combustion gas supplied by outer ring gas nozzle, the outer ring cover, which is equipped with, is connected to the outer ring recess The outer ring gas outlet in portion;Under the use state of the fire cover, first recessed portion is isolated with the outer ring recessed portion, In, be additionally provided with the second gas outlet in the inner ring cover, under the use state of the fire cover, second gas outlet with it is described Outer ring recessed portion is connected.
When fire cover of the invention is in most high fire, the outer ring gas outlet in outer ring cover, the first outlet in inner ring cover There are flame in mouth and the second gas outlet;When fire cover is in most small fire, outer ring blast tube corresponding to outer ring gas nozzle is closed It closes, thus the fray-out of flame in outer ring cover, the flame of the second gas outlet in inner ring cover is also in OFF state, only first Gas outlet also maintains flame.It can be seen that first of technical solution of the present invention is advantageous in that, in the use state of fire cover Under, the inner ring cover of burner can be in most high fire with sufficiently large power, to guarantee the thermal efficiency of entire fire cover;And When most small fire, can reach sufficiently small power, to meet the needs of user is to small fire, such as melting chocolate, boil milk, cook gruel, Keep the temperature or cook catsup etc..Using the gas-cooker of fire cover of the present invention, there is broader firepower or power control than existing gas-cooker Range processed.By taking rated heat input, rated heat load is 5.0kw or 5.2kw burner as an example, after technical solution of the present invention, burner is most When high fire, the fiery power that goes out of inner ring cover can reach 1000w, and gas-cooker is in most small fire, and outer ring cover flame has extinguished, interior The power fiery out in ring cowling portion can be down to 100w or so.And existing burner can only realize inner ring cover in most small fire most down to 300w or so is arrived, unless cooperating three independent combustion gas runners and three independent valve body streams using three independent gas nozzles Road design, but this scenario-frame is complicated, it is with high costs.
By increasing the area of gas outlet in inner ring cover, power increase when inner ring cover can be made to burn, still Inner ring cover just requires supplementation with more air when burning.But since the structure of burner limits, inner ring cover can not be from surrounding More air supplements are obtained, therefore the demand of primary air is just accordingly increased.Existing burner, even if air door can To adjust, but since the aperture of inner ring gas nozzle is small, after air door reaches certain aperture, throttle opening is further added by without too much Effect can not introduce more primary airs.Therefore, because the limitation of inner ring gas nozzle and inner ring combustion gas runner, increases combustion Burner inner loop power can not supplement sufficient air, cause insufficient, waste emission amount apparent increase of burning, seriously affect heat The promotion of efficiency.
Another has technical effect that the second gas outlet in inner ring cover is connected with outer ring recessed portion to the present invention, the Combustion gas is supplied by outer ring gas nozzle in two gas outlets, can get more sufficient primary air amount, burns more abundant, reduces an oxygen Change the discharge of the exhaust gas such as carbon CO, and be remarkably improved the thermal efficiency of burner, passes through experiment, the burner of one embodiment of the invention The thermal efficiency may be up to 69~70%.And existing burner can only preferably accomplish 64~65% on the market.
The acquirement of above-mentioned technical effect is that it is more that introducing can be opened by damper because the aperture of outer ring gas nozzle is big Primary air, promote the ratio of primary air.Second gas outlet is connected with outer ring recessed portion, can get more sufficient primary Air capacity.
It is to be understood that " combustion gas " mentioned by the present invention cannot be interpreted as pure combustion gas with limiting to, it includes and sky Gas-air gaseous mixture after gas premix." connection " mentioned by the present invention not only includes directly communicating, and also includes communicating indirectly.
In a kind of possible embodiment, the bottom of the inner ring cover also has the second recessed portion of indent, described Second recessed portion is set to the periphery of first recessed portion;Under the use state of the fire cover, second recessed portion with First recessed portion is isolated, and second recessed portion is connected with the outer ring recessed portion;The second gas outlet connection Second recessed portion.Second recessed portion can not only play the role of buffering combustion gas, can also shorten the second gas outlet or connection the The channel depth of the interface channel of two gas outlets is easier the manufacture of the second gas outlet, and otherwise drilling depth is excessive, and drill bit holds Easy fracture causes entire fire cover to be scrapped in the channel bored.
In a kind of possible embodiment, the fire cover of the burner for gas kitchen range further includes being connected to the external ring lid At least one interconnecting piece between portion and the inner ring cover, under the use state of the fire cover, the interconnecting piece, which is constituted, to be used In the component part for the air guide channel for being connected to the outer ring recessed portion and second recessed portion.It is logical that interconnecting piece not only forms air guide The component part in road also connects inner ring cover and outer ring cover, so that fire cover of the invention is capable of forming integrated molding Single piece, facilitate manufacture, reduce the components of gas-cooker.Wherein, the interconnecting piece may include flat part, set on fire cover pedestal There is matched slot to form air guide channel;Alternatively, the interconnecting piece includes slot, fire cover pedestal is equipped with matched Flat part or slot are to form air guide channel.
In a kind of possible embodiment, the interconnecting piece includes link slot, and it is recessed that the link slot is connected to the outer ring Concave portion and second recessed portion.The flame for being arranged otherwise influencing the gas outlet in inner ring cover of usual interconnecting piece, Yi Jiman Foot reduces fire cover thickness to obtain the demand of thin burner, goes out fiery structure and thickness consideration based on fire cover, connection groove depth can It is very shallow to accomplish.
In a kind of possible embodiment, the inner ring cover include around the wall body portion of first recessed portion, The interface channel for being connected to second gas outlet and second recessed portion is equipped in the wall body portion.It can be in the wall body portion For example multiple connecting holes of multiple interface channels are embedded, an interface channel also can be set in wall body portion as one is extended continuously Slot.
In a kind of possible embodiment, including multiple interface channels, multiple interface channels are multiple edges The circumferentially distributed connecting hole in the wall body portion.
In a kind of possible embodiment, the wall body portion includes extension outstanding, and the extension is configured to First recessed portion and second recessed portion are separated under the use state of the fire cover.
In a kind of possible embodiment, first gas outlet includes outgassing groove, and second gas outlet includes more A venthole.First gas outlet can be an annular outgassing groove, be formed in outgassing groove multiple holes with by the outgassing groove with The connection of first recessed portion.First gas outlet can also include multiple intermittent outgassing grooves.Certainly, in other embodiments, first Gas outlet may include venthole, and the second gas outlet also may include outgassing groove.
In a kind of possible embodiment, the gross area of all first gas outlets is less than all in the fire cover Second gas outlet the gross area.To which the second gas outlet being connected in inner ring cover with outer ring recessed portion has more Big goes out fiery area, that is to say, that the main gas outlet in inner ring cover is supplied by outer ring gas nozzle, and it is smaller to go out fiery area The first gas outlet supplied by inner ring gas nozzle, this can be realized inner ring cover in most small fire, and power is as low as possible;And work as When there are flame in the first gas outlet and the second gas outlet in inner ring cover, the supply of primary air amount is more sufficient, burns more abundant, The thermal efficiency is higher, can reach 69~70%, is much higher than existing burner.When designing fire cover, the first gas outlet be may be designed to The steady flame slot or stable flame hole of inner ring cover, the second gas outlet can be designed to the main venthole or main outgassing groove of inner ring cover.
In a kind of possible embodiment, first gas outlet includes multiple ventholes, the second gas outlet packet Include air drain.
In a kind of possible embodiment, the gross area of all first gas outlets is greater than all in the fire cover Second gas outlet the gross area.In the present embodiment, the second gas outlet for being connected in inner ring cover with outer ring recessed portion With smaller area fiery out, that is to say, that the main gas outlet in inner ring cover is supplied by inner ring gas nozzle.In design fire Gai Shi, the first gas outlet may be designed to the main venthole or main outgassing groove of inner ring cover, and the second gas outlet can be designed to inner ring The steady flame slot or stable flame hole of cover.
In a kind of possible embodiment, first gas outlet and second gas outlet are formed in the interior ring cowling On the same smooth surface in portion.If being pointed out that the first gas outlet or the second gas outlet being along a smooth circle Both the annular outgassing groove of circumferential surface circumferentially extending, cannot be divided into two surfaces for periphery with annular outgassing groove and serve as reasons, be considered as Two surfaces are formed in, in this case, it should also be appreciated that being formed in the same smooth surface for the two.
In a kind of possible embodiment, the outer rim of the upright projection of first gas outlet and second gas outlet The outer rim of upright projection be located on same circumference.For example inner ring cover includes column part, the first gas outlet and the second outlet Mouth is respectively formed on the outer circumference surface of the column part.
In a kind of possible embodiment, single piece that the fire cover is integrally formed.Manufacture view can pass through forging Pressure, die casting or the mode of casting form the integrally formed single piece of the present embodiment, and which reduce the component numbers of entire burner Amount, inner ring cover are not easy to lose.
In a kind of possible embodiment, the inner ring cover includes inner ring portions and is removably covered in described Top cover in ring seat portion.The outer ring cover and the inner ring portions form integrally formed single piece.
The present invention also provides a kind of burners of burner for gas kitchen range comprising fire cover as described above.
In a kind of possible embodiment, the burner of the burner for gas kitchen range includes fire cover pedestal, the fire cover It being removably covered on the fire cover pedestal, first recessed portion and the fire cover base engagement form inner ring mixing chamber, The outer ring recessed portion and the fire cover base engagement form the outer ring mixing chamber, and the outer ring mixing chamber and the inner ring are mixed Gas chamber is isolated.The gaseous mixture of the primary air of the combustion gas and ejector pipe sucking of outer ring gas nozzle supply enters outer ring and mixes gas The gaseous mixture of room, the primary air of the combustion gas and ejector pipe sucking of inner ring gas nozzle supply enters inner ring mixing chamber.
In a kind of possible embodiment, the fire cover pedestal includes inner ring fuel gas inlet, the inner ring combustion gas into Mouth is for entering the burner for the combustion gas of inner ring gas nozzle supply, and the fire cover pedestal is with barrel, the cylinder The entrance in body portion constitutes the inner ring fuel gas inlet;Under the use state of the burner, the barrel and described the is surrounded The part of one recessed portion cooperatively forms the inner ring mixing chamber.To realize the inner ring mixing chamber and outer ring mixing chamber phase Isolation.
In a kind of possible embodiment, the fire cover pedestal includes outer ring fuel gas inlet, the outer ring combustion gas into For mouth for entering the burner for the combustion gas of outer ring gas nozzle supply, the fire cover pedestal further includes having and the outer ring The air slot that fuel gas inlet communicates, the air slot and the fire cover cooperatively form air guide channel, and the air guide channel is connected to institute State outer ring fuel gas inlet and the outer ring mixing chamber.
In a kind of possible embodiment, the fire cover pedestal includes external annulus and multiple air intlets, the fire cover It respectively corresponds the multiple air intlet and cooperatively forms sky equipped with multiple air outlet slits, the air intlet and the air outlet slit Gas channel;The fire cover pedestal have multiple spaced enclosing portions, each enclosing portion surround the air into Mouthful, the air slot is formed between the enclosing portion of adjacent two, is formed between the enclosing portion and the external annulus recessed Slot, the groove are connected to the air slot, and the groove and the outer ring recessed portion cooperatively form outer ring mixing chamber.One of them In preferred embodiment, each enclosing portion and the air intlet cross section having the same enclosed.The air duct is to burner Burning supplement auxiliary air.The air duct is directly communicated with ambient atmosphere.
Based on the same inventive concept, the present invention separately provides the burner of such a burner for gas kitchen range, technology Scheme is as follows:A kind of burner of burner for gas kitchen range, including the outer ring mixing chamber and inner ring mixing chamber being isolated, the outer ring Mixing chamber is supplied for accommodating by inner ring gas nozzle for accommodating the combustion gas supplied by outer ring gas nozzle, the inner ring mixing chamber The combustion gas answered;The burner includes the outer ring gas outlet for being distributed in the outer region of the burner, the outer ring gas outlet and institute It states outer ring mixing chamber to be connected, the burner further includes being distributed in the first gas outlet of the endocyclic area of the burner to go out with second Port, wherein first gas outlet is connected with the inner ring mixing chamber, second gas outlet and the outer ring mixing chamber It is connected.
To when burner of the invention is in most high fire, positioned at the outer ring gas outlet in outer ring of burner region, positioned at interior ring region There are flame in first gas outlet and the second gas outlet in domain, and burner can reach sufficiently large power, guarantee its thermal efficiency and simultaneously It is heated evenly the bottom of a pan;When burner is in most small fire, outer ring blast tube corresponding to outer ring gas nozzle is closed, thus outside Ring mixing chamber does not have a gas supply, the fray-out of flame on the outer region of burner, the flame of the second gas outlet on endocyclic area It also is in OFF state, only the first gas outlet maintains flame.Therefore, under burner use state, the endocyclic area energy of burner Enough in burner most high fire with sufficiently large power, to guarantee the thermal efficiency of entire burner;And in burner most small fire, reach Sufficiently small power to meet the needs of user is to small fire, such as boils milk, cooks gruel, keeps the temperature or cook catsup.Using the present invention The gas-cooker of burner has broader firepower or Power control range than existing gas-cooker.
The present invention another has technical effect that, the second gas outlet on burner endocyclic area and outer ring mixing chamber phase Combustion gas is supplied by outer ring gas nozzle in connection, the second gas outlet, can get more sufficient primary air amount, burns more abundant, The discharge of the exhaust gas such as CO is reduced, and is remarkably improved the thermal efficiency of burner, by experiment, using one embodiment of the invention burner The thermal efficiency of gas-cooker may be up to 69~70%.And existing gas-cooker can only preferably accomplish 64~65% on the market.
In a kind of possible embodiment, first gas outlet and second gas outlet are formed on the burner The same smooth surface on.If being pointed out that the first gas outlet or the second gas outlet being along a smooth periphery Periphery cannot be divided into two surfaces with annular outgassing groove and served as reasons by the annular outgassing groove of circumferentially extending, be considered as the two and formed In two surfaces, in this case, it should also be appreciated that being formed in the same smooth surface for the two.
In a kind of possible embodiment, single piece that the burner is integrally formed.
In a kind of possible embodiment, the burner forms for separable assembled.
Here, the present invention provides a kind of burner for gas kitchen range comprising burner as described above.
In a kind of possible embodiment, the burner for gas kitchen range includes burner base, and the burner is removable It is placed in unloading in the burner base.
In a kind of possible embodiment, the burner for gas kitchen range includes burner base, the burner setting In in the burner base, the burner base includes inner ring spraying system and outer ring spraying system, the inner ring injection System include the inner ring gas nozzle, the inner ring ejector pipe being connected with the inner ring gas nozzle and with the inner ring injection The connected inner ring pressure stabilizing cavity of pipe;The outer ring spraying system include the outer ring gas nozzle, with the outer ring gas nozzle phase Outer ring ejector pipe even and the outer ring pressure stabilizing cavity being connected with the outer ring ejector pipe, the inner ring pressure stabilizing cavity and the inner ring are mixed Gas chamber or first recessed portion are connected, and the outer ring pressure stabilizing cavity is connected with the outer ring mixing chamber or the outer ring recessed portion It is logical.
Finally, the present invention also provides a kind of gas-cookers comprising burner for gas kitchen range as described above.
【Detailed description of the invention】
Fig. 1 is the perspective view of the fire cover of first embodiment of the invention;
Fig. 2 is the bottom-up perspective view of the fire cover of first embodiment of the invention;
Fig. 3 is the cross-sectional view of the fire cover of first embodiment of the invention;
Fig. 4 is cross-sectional view of the fire cover along another section of first embodiment of the invention;
Fig. 5 is the cross-sectional view of the fire cover of second embodiment of the invention;
Fig. 6 is the bottom-up perspective view of the fire cover of second embodiment of the invention;
Fig. 7 is the explosive view of the burner of one embodiment of the invention;
Fig. 8 is the perspective view of the burner of one embodiment of the invention;
Fig. 9 is the perspective view of the fire cover pedestal of one embodiment of the invention;
Figure 10 is the explosive view of the burner of one embodiment of the invention;
Figure 11 is the perspective view of the burner of one embodiment of the invention;
Figure 12 is the cross-sectional view of the burner of first embodiment of the invention;
Figure 13 is the cross-sectional view of the burner of second embodiment of the invention.
Appended drawing reference:
1- burner;2- burner;3- fire cover;4- fire cover pedestal;5- burner base;10- inner ring cover;11- first is recessed Concave portion;The second recessed portion of 12-;13- inner ring mixing chamber;14- fire cover location hole;15- interconnecting piece;16- air outlet slit;20- outer ring Cover;21- outer ring recessed portion;23- outer ring mixing chamber;40- barrel;41- inner ring fuel gas inlet;42- outer ring fuel gas inlet; 43- air slot;44- external annulus;45- enclosing portion;46- air intlet;47- groove;48- fire cover positioning column;51- inner ring injection system System;52- outer ring spraying system;53- thermocouple;54- ignition electrode;100- wall body portion;The first gas outlet 101-;The second outlet of 102- Mouthful;103- interface channel;104,203- connecting hole;150- link slot;201,202- outer ring gas outlet;420- divides gas portion;511- Inner ring gas nozzle;512- inner ring ejector pipe;513- inner ring pressure stabilizing cavity;521- outer ring gas nozzle;522- outer ring ejector pipe; 523- outer ring pressure stabilizing cavity;42a, 42b, 42c- divide port;100a- extension;101a, 101b, 101c, 101d- venthole.
【Specific embodiment】
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby cooperate embodiment detailed It is described as follows.
Firstly, please referring to Fig. 1 to Fig. 4, Fig. 1 is the perspective view of the fire cover of first embodiment of the invention;Fig. 2 is the present invention the The bottom-up perspective view of the fire cover of one embodiment;Fig. 3 is the cross-sectional view of the fire cover of first embodiment of the invention;Fig. 4 is this Cross-sectional view of the fire cover of invention first embodiment along another section.The fire cover 3 of the burner for gas kitchen range of the present embodiment is one Integrally formed single piece, fire cover 3 include inner ring cover 10 and outer ring cover 20.
10 bottom of inner ring cover has the first recessed portion 11 of indent, and the first recessed portion 11 is for accommodating by inner ring gas injection The combustion gas of mouth supply, inner ring cover 10 are equipped with the first gas outlet 101 of the first recessed portion 11 of connection.First gas outlet 101 packet Air drain is included, outgassing groove is the annular groove circumferentially extended along the outer circumference surface of inner ring cover 10, is provided in outgassing groove by outlet Multiple connecting holes 104 that slot is connected to the first recessed portion 11.
Outer ring cover 20 is looped around 10 periphery of inner ring cover, and the bottom of outer ring cover 20 is recessed outer ring recessed portion 21, Outer ring recessed portion 21 is for accommodating the combustion gas supplied by outer ring gas nozzle, under the use state of fire cover 3, the first recessed portion 11 It is isolated with outer ring recessed portion 21.The outer ring gas outlet 201 that outer ring cover 20 is equipped with connection outer ring recessed portion 21 goes out with outer ring Port 202.Wherein, outer ring gas outlet 201 includes the multiple ventholes circumferentially distributed along outer ring cover 20, outer ring gas outlet 202 The outgassing groove circumferentially extended including one along outer ring cover 20 is provided in outgassing groove and is connected to outgassing groove with outer ring recessed portion 21 Multiple connecting holes 203.
The second gas outlet 102 is additionally provided in inner ring cover 10, the second gas outlet 102 includes multiple ventholes.Wherein, first Gas outlet 101 and the second gas outlet 102 are formed on the same smooth surface i.e. outer circumference surface 10b in inner ring cover 10. Moreover, the outer rim position of the outer rim of the upright projection of first gas outlet 101 of the present embodiment and the upright projection of the second gas outlet 102 In on same circumference.Under the use state of fire cover 3, the second gas outlet 102 is connected with outer ring recessed portion 21.Specifically, originally The bottom of the inner ring cover 10 of embodiment also has the second recessed portion 12 of indent, and the second recessed portion 12 is set to the first recessed portion 11 periphery.Under the use state of fire cover 3, the second recessed portion 12 is isolated with the first recessed portion 11, the second recessed portion 12 with Outer ring recessed portion 21 is connected, and the second gas outlet 102 is connected to the second recessed portion 12.To which the second gas outlet 102 makes in fire cover It is connected to under state with outer ring recessed portion 21.
Referring to figure 2. with Fig. 3, inner ring cover 10 includes around the wall body portion 100 of the first recessed portion 11, wall body portion 100 In be equipped with connection the second gas outlet 102 and the second recessed portion 12 multiple interface channels 103, multiple interface channels 103 be it is multiple The connecting hole circumferentially distributed along wall body portion 100.Wall body portion 100 further comprises extension 100a outstanding, extension 100a Be provided under the use state of fire cover 3 and separate the first recessed portion 11 and the second recessed portion 12, about this point, behind have The description of expansion.
In the present embodiment, the gross area of the first all gas outlets 101 is less than the second all gas outlets 102 in fire cover 3 The gross area.To which 102 burned flame of the second gas outlet supplied by outer ring gas nozzle constitutes the master in inner ring cover 10 Flame is wanted, 101 burned flame of the first gas outlet supplied by inner ring gas nozzle constitutes auxiliary flame, plays and stablizes main fire The effect of flame burning.The fire cover of the present embodiment can burn more abundant, the thermal efficiency can reach when there is flame in external ring lid portion 69~70%, and the CO discharge of fire cover burning can be reduced;In fire cover most small fire, power is sufficiently small.
Fire cover 3 further includes at least one interconnecting piece 15 being connected between outer ring cover 20 and inner ring cover 10, in fire cover 3 Use state under, interconnecting piece 15 constitutes the composition portion for being connected to the air guide channel of outer ring recessed portion 21 and the second recessed portion 12 Point.The fire cover 3 of the present embodiment includes three interconnecting pieces 15, and each interconnecting piece 15 includes link slot 150, and link slot 150 is connected to Outer ring recessed portion 21 and the second recessed portion 12.
Again referring to figure 4., the first gas outlet 101 further includes venthole 101a corresponding with thermocouple, above thermocouple Venthole 101d above venthole 101c, venthole 101b corresponding with ignition electrode and ignition electrode, to guarantee the point of fire cover 3 Fiery performance and safeguard protection performance.
The fire cover of second embodiment of the invention is described below, as shown in figs. 5 and 6, wherein Fig. 5 is that the present invention second is real Apply the cross-sectional view of the fire cover of example;Fig. 6 is the bottom-up perspective view of the fire cover of second embodiment of the invention.In the present embodiment with Modular construction corresponding to the identical label of the fire cover of first embodiment is same or similar, and function is same or similar, to avoid weight Multiple, details are not described herein, please refers to the associated description of first embodiment.Different from the first embodiment the fire of the present embodiment The gross area for covering the first all gas outlets 101 is greater than the gross area of the second all gas outlets 102.First gas outlet 101 Including the multiple ventholes circumferentially distributed along inner ring cover 10, the second gas outlet 102 includes outgassing groove, and outgassing groove is one along interior The outgassing groove of the outer circumference surface circumferentially extending in ring cowling portion 10.The second gas outlet of connection 102 and the second recess are equipped in wall body portion 100 Multiple interface channels 103 in portion 12, multiple interface channels 103 are multiple connecting holes circumferentially distributed along wall body portion 100, so that should Outgassing groove and the connection of the second recessed portion 12.Although the thermal efficiency of the fire cover of the present embodiment is lower than first embodiment, compared to Existing fire cover can burn more abundant when there is flame in external ring lid portion, and can reduce the CO discharge of fire cover burning;? When fire cover most small fire, accomplish compared to existing fire cover power smaller.
The above is only two exemplary examples of the invention, by between the modification and different characteristic to certain features Combination, can derive the embodiment more about fire cover.For example, in another embodiment of the present invention, inner ring cover packet The top cover for including inner ring portions and being removably covered in inner ring portions, outer ring cover, interconnecting piece and inner ring portions form one A integrally formed single piece.
Fig. 7 and Fig. 8 also illustrate a kind of burner 2 of burner for gas kitchen range, and wherein Fig. 7 is the furnace of one embodiment of the invention The explosive view of head;Fig. 8 is the perspective view of the burner of one embodiment of the invention.Burner 2 includes fire cover pedestal 4 and fire cover 3, fire cover 3 It is removably covered on fire cover pedestal 4.Fire cover described in embodiment before fire cover 3 can be.When fire cover 3 is covered on fire cover On pedestal 4, the first recessed portion 11 cooperatively forms inner ring mixing chamber 13 (see Figure 12 and Figure 13), outer ring recessed portion with fire cover pedestal 4 21 cooperatively form outer ring mixing chamber 23 with fire cover pedestal 4, and outer ring mixing chamber 23 is isolated with inner ring mixing chamber 13.
Please comparative diagram 12 or 13 referring to Fig. 9, Fig. 9 is the perspective view of the fire cover pedestal of one embodiment of the invention.Fire cover pedestal 4 It include inner ring fuel gas inlet 41 and outer ring fuel gas inlet 42, inner ring fuel gas inlet 41 is used for the combustion supplied for inner ring gas nozzle Gas enters burner 2, and the combustion gas that outer ring fuel gas inlet 42 is used to supply for outer ring gas nozzle enters burner 2.More specifically, fire cover The central area of pedestal 4 has barrel 40, and the entrance of barrel 40 constitutes inner ring fuel gas inlet 41, uses shape in burner 2 Under state, barrel 40 and the part for surrounding the first recessed portion 11 cooperatively form inner ring mixing chamber 13, i.e. barrel 40 and wall body portion 100 seamless interfacings form inner ring mixing chamber 13, it may be said that are that barrel 40 and extension 100a seamless interfacing form inner ring and mix gas Room 13.To so that the first recessed portion 11 is isolated under the use state of fire cover 3 with outer ring recessed portion 21.
Fire cover pedestal 4 includes external annulus 44 and multiple air intlets 46 positioned at 44 inside of external annulus.As shown in Figure 1, Figure 2 and scheme Shown in 6, fire cover 3 respectively corresponds multiple air intlets 46 equipped with multiple air outlet slits 16, and air intlet 46 is matched with air outlet slit 16 Conjunction forms air duct, and air enters air duct below burner 2 to supplement auxiliary air to the burning of burner 2.Fire cover bottom Seat 4 has multiple spaced enclosing portions 45, and each enclosing portion 45 surrounds an air intlet 46, two adjacent enclosing portions Air slot 43 is formed between 45.Form fluted 47 between enclosing portion 45 and external annulus 44, air slot 43 be connected to outer ring combustion gas into Mouth 42 and groove 47.When fire cover 3 is covered on fire cover pedestal 4, groove 47 and outer ring recessed portion 21 cooperatively form outer ring mixing chamber Link slot 150 in 23 (see Figure 12 and Figure 13), air slot 43 and fire cover 3 cooperatively forms air guide channel, and air guide channel connection is outer Ring fuel gas inlet 42 and outer ring mixing chamber 23.And the second recessed portion 12 in fire cover 3 is against outer ring fuel gas inlet 42.So Under the use state of burner, after the entrance of outer ring fuel gas inlet 42, the second recessed portion 12 just accommodates combustion gas for combustion gas, and combustion gas is from leading Gas channel enters outer ring mixing chamber 23.
The single piece that the fire cover pedestal 4 of the present embodiment is integrally formed uses brass material as fire cover 3, passes through forging Molded mode is fabricated.In order to reduce the tolerance stack in manufacturing process, the lid of fire cover 3 is prevented to be set on fire cover pedestal 4 Afterwards, gas leakage at the inner ring mixing chamber and outer ring mixing chamber of isolation, such as barrel 40 and extension 100a cooperation can not be formed, this 40 upper surface of barrel of embodiment and the upper surface for the part for forming air slot 43 are generally aligned in the same plane, i.e., barrel 40 is upper The upper surface on surface and enclosing portion 45 is generally aligned in the same plane.
Fire cover pedestal 4 further includes multiple distributary divisions 420, and distributary division 420 is connected to the outer wall of barrel 40 and surrounds outer ring Between the wall of fuel gas inlet 42.Outer ring fuel gas inlet 42 is split portion 420 and is separated into multiple points of ports, and each air slot 43 is corresponding At least one distributary division 420.As shown in figure 9, specific, fire cover pedestal 4 includes three distributary divisions 420 in this embodiment, and outer ring fires Gas import 42 is split portion 420 and is divided into three points of ports 42a, 42b and 42c, and the fuel gas flow of outer ring fuel gas inlet 42 is divided into Three strands.The corresponding distributary division 420 of each air slot 43, moreover, the centre bit of 420 one air slot 43 of face of each distributary division It sets.It may be said that distributary division 420 extends straight, the extending direction of each distributary division 420 and corresponding air slot 43 Symmetrical overlapping of axles.
It is arranged after distributary division 420, air-flow side of the extending direction and combustion gas of distributary division 420 at outer ring fuel gas inlet 42 To perpendicular.To, from divide port 42a come out a part of combustion gas with from divide port 42b come out a part combustion gas mixing into Enter this air slot 43 right above in Fig. 9, then enters back into groove 47.Certainly, this is unilaterally come from fire cover pedestal 4 Description, it is practical under the use state of burner, from a part of combustion gas for dividing port 42a to come out with from dividing port 42b to come out one The combustion gas mixing divided enters outer ring mixing chamber 23 via air guide channel corresponding to this air slot 43 of surface in Fig. 9.For It avoids repeating, all only be described in terms of fire cover pedestal 4 below.From a part of combustion gas for dividing port 42b to come out with from dividing port A part of combustion gas mixing that 42c comes out enters an air slot 43 on the right in Fig. 9, then enters back into groove 47.From point A part of combustion gas that port 42c comes out with lead from dividing a part of combustion gas mixing of port 42a out to enter one of the left side in Fig. 9 Then air drain 43 enters back into groove 47.It can be seen that the setting of diversion division 420, has carried out primary shunting, has been equivalent to It is additionally arranged resistance at outer ring fuel gas inlet 42, plays the role of decompression to the fuel gas flow of entrance, reduce flow velocity.Each air slot A 43 corresponding distributary divisions 420, are equivalent to and have carried out second diffluence, import after the multiply air-flow that front has been divided into is shunted again In air slot 43, so that fuel gas flow enters before outer ring mixing chamber, shunted twice, hence into arrive outer ring mixing chamber Combustion gas in 23 is more uniform.
The present embodiment moderate heat cover base 4 includes inner ring combustion gas runner and outer ring combustion gas runner, and barrel 40 surrounds inner ring combustion Flow channel, outer ring combustion gas runner include outer ring fuel gas inlet 42, air slot 43 and groove 47.In the use state of fire cover pedestal 4 Under, what inner ring combustion gas runner was mutually isolated with outer ring combustion gas runner.
It should be added that can be preceding embodiment with the fire cover of the cooperation of fire cover pedestal 4 of embodiment illustrated in fig. 9 Described fire cover 3, being also possible to any one can be with fire cover with matching.Of course, implementing with shown in Fig. 1 to Fig. 6 The fire cover pedestal that the fire cover 3 of example cooperates can be fire cover pedestal shown in Fig. 9, and being also possible to any one can be cooperating therewith Fire cover pedestal.
It also to be mentioned, the fire cover pedestal 4 of the present embodiment is equipped with fire cover positioning column 48, and the corresponding fire cover of fire cover 3 is fixed Position column 48 is equipped with fire cover location hole 14, as shown in Figure 2 and Figure 6.It is that fire cover location hole is arranged in fire cover pedestal in the prior art On, such overflow or it is dirty enter fire cover pedestal after, easily drop into fire cover location hole and be filled into certain height, arrive When fire cover positioning column cannot be fully inserted into position so that fire cover lid, which is set to, cannot accomplish to fit together perfectly on fire cover pedestal, have the gap leakage Gas, will form flame at the gap of gas leakage, when and long it, fire cover will be burnt to obtain deformation.The present embodiment can avoid the above problem, Even if having overflow or dirty into fire cover pedestal, will not have any impact to the fixation of fire cover.
In addition, the present invention also provides the burners 2 of such a burner for gas kitchen range comprising the outer ring being isolated mixes gas Room 23 and inner ring mixing chamber 13, outer ring mixing chamber 23 be used for accommodates supplied by outer ring gas nozzle 521 combustion gas (be shown in Figure 12 and Figure 13), inner ring mixing chamber 13 is for accommodating the combustion gas supplied by inner ring gas nozzle 511.Burner 2 includes being distributed in burner 2 The outer ring gas outlet 201 of outer region and outer ring gas outlet 202, outer ring gas outlet 201, outer ring gas outlet 202 respectively with outer ring Mixing chamber 23 is connected, and burner 2 further includes the first gas outlet 101 and the second gas outlet for being distributed in the endocyclic area of burner 2 102, the first gas outlet 101 is connected with inner ring mixing chamber 13, and the second gas outlet 102 is connected with outer ring mixing chamber 23.Wherein Burner 2 forms in one embodiment for separable assembled, such as burner described in preceding embodiment, and details are not described herein.And another In one embodiment, the single piece that burner 2 is integrally formed, entire burner can be made with being integrally formed by existing processing technology At.
It may include the burner 2 of foregoing any implementation the present invention also provides a kind of burner for gas kitchen range 1. As shown in Figure 10 and Figure 11, wherein Figure 10 is the explosive view of the burner of one embodiment of the invention;Figure 11 is that the present invention one is implemented The perspective view of the burner of example.
Burner 1 includes burner base 5, and burner 2 is removably placed in burner base 5.Burner base 5 is wrapped Include inner ring spraying system 51, outer ring spraying system 52, thermocouple 53 and ignition electrode 54.Inner ring spraying system 51 is fired including inner ring Gas jets 511, the inner ring ejector pipe 512 being connected with inner ring gas nozzle 511 and the inner ring being connected with inner ring ejector pipe 512 are steady Press chamber 513;The outer ring ejector pipe that outer ring spraying system 52 includes outer ring gas nozzle 521, is connected with outer ring gas nozzle 521 522 and the outer ring pressure stabilizing cavity 523 that is connected with outer ring ejector pipe 522, inner ring pressure stabilizing cavity 513 and inner ring mixing chamber 13 or the first are recessed Concave portion 11 is connected, and outer ring pressure stabilizing cavity 523 is connected with outer ring mixing chamber 23 or outer ring recessed portion 21.Burner 1 assembles it Afterwards, the corresponding venthole 101a of thermocouple 53, the corresponding venthole 101b of ignition electrode 54.
As shown in figure 12, Figure 12 is the cross-sectional view of the burner of first embodiment of the invention, in order to show more structures Feature, Figure 12 cut open method along section using common.The burner 1 that the present embodiment is shown uses front first Fire cover 3 described in embodiment.Some associated descriptions please refer to before description, fire cover 3 include inner ring cover 10 and external ring lid Portion 20.10 bottom of inner ring cover has the first recessed portion 11 of indent, around the wall body portion 100 and fire cover bottom of the first recessed portion 11 The barrel 40 of seat 4 cooperatively forms inner ring mixing chamber 13.Before the combustion gas of the supply of inner ring gas nozzle 511 and inner ring ejector pipe 512 The primary air of end sucking enters inner ring ejector pipe 512, then reaches inner ring pressure stabilizing cavity 513, then from inner ring fuel gas inlet 41 Into inner ring mixing chamber 13.
Outer ring cover 20 is looped around 10 periphery of inner ring cover, and the bottom of outer ring cover 20 is recessed outer ring recessed portion 21, Groove 47 on outer ring recessed portion 21 and fire cover pedestal 4 cooperatively forms outer ring mixing chamber 23.The combustion that outer ring gas nozzle 521 is supplied Gas and the primary air of 522 front end of outer ring ejector pipe sucking enter outer ring ejector pipe 522, then reach outer ring pressure stabilizing cavity 523, Enter outer ring mixing chamber 23 from outer ring fuel gas inlet 42 again.Outer ring cover 20 is equipped with the outer ring outlet of connection outer ring recessed portion 21 Mouth 201 and outer ring gas outlet 202.
The bottom of inner ring cover 10 also has the second recessed portion 12 of indent, and the second recessed portion 12 is set to the first recessed portion 11 periphery.Second recessed portion 12 is communicated with outer ring fuel gas inlet 42 also to be communicated with outer ring mixing chamber 23.
Inner ring cover 10 is equipped with the first gas outlet 101 of the first recessed portion 11 of connection.First gas outlet 101 includes outlet Slot.The second gas outlet 102 being connected with the second recessed portion is additionally provided in inner ring cover 10, the second gas outlet 102 includes multiple Venthole.The gross area of the first all gas outlets 101 is less than the gross area of the second all gas outlets 102 in fire cover 3.
As shown in figure 13, Figure 13 is the cross-sectional view of the burner of second embodiment of the invention.The combustion that the present embodiment is shown Burner 1 uses fire cover 3 described in the second embodiment of front.Some associated descriptions please refer to before description.The present embodiment In modular construction corresponding to label identical with the burner of first embodiment it is same or similar, function is same or similar, is It avoids repeating, details are not described herein, please refers to the associated description of first embodiment.Different from the first embodiment this implementation The gross area of the first all gas outlets 101 is greater than the total of the second all gas outlets 102 in fire cover used by example burner Area.First gas outlet 101 includes the multiple ventholes circumferentially distributed along inner ring cover 10, and the second gas outlet 102 includes outlet Slot.
Finally, the present invention also provides a kind of gas-cookers comprising the burner for gas kitchen range 1 of any one embodiment as above.
It can be combined with each other in conjunction with the various embodiments of Fig. 1 to Figure 13 single components illustrated in any given mode, To realize advantage of the invention.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only to implement example of the invention. It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from spirit of the invention and It is changed and retouched made by range, belongs to scope of patent protection of the invention.

Claims (28)

1. a kind of fire cover (3) of burner for gas kitchen range (1), including
Inner ring cover (10), bottom have the first recessed portion (11) of indent, and first recessed portion (11) is for accommodating by interior The combustion gas of ring gas nozzle (511) supply, the inner ring cover (10), which is equipped with, is connected to the first of first recessed portion (11) Gas outlet (101);
Outer ring cover (20) is looped around inner ring cover (10) periphery, and the bottom of the outer ring cover (20) is recessed outer Ring recessed portion (21), the outer ring recessed portion (21) are used to accommodate the combustion gas supplied by outer ring gas nozzle (521), the outer ring Cover (20) is equipped with the outer ring gas outlet (201,202) for being connected to the outer ring recessed portion (21);
Under the use state of the fire cover (3), first recessed portion (11) is isolated with the outer ring recessed portion (21), It is characterized in that,
The second gas outlet (102) are additionally provided on the inner ring cover (10), under the use state of the fire cover (3), described Two gas outlets (102) are connected with the outer ring recessed portion (21).
2. the fire cover (3) of burner for gas kitchen range (1) as described in claim 1, which is characterized in that the inner ring cover (10) Bottom also there is the second recessed portion (12) of indent, second recessed portion (12) is set to first recessed portion (11) Periphery;Under the use state of the fire cover (3), second recessed portion (12) is isolated with first recessed portion (11), Second recessed portion (12) is connected with the outer ring recessed portion (21);Second gas outlet (102) connection described second Recessed portion (12).
3. the fire cover (3) of burner for gas kitchen range (1) as claimed in claim 2, which is characterized in that further include be connected to it is described At least one interconnecting piece (15) between outer ring cover (20) and the inner ring cover (10) uses shape in the fire cover (3) Under state, it is logical that the interconnecting piece (15) constitutes the air guide for being connected to the outer ring recessed portion (21) and second recessed portion (12) The component part in road.
4. the fire cover (3) of burner for gas kitchen range (1) as claimed in claim 3, which is characterized in that interconnecting piece (15) packet It includes link slot (150), the link slot (150) is connected to the outer ring recessed portion (21) and second recessed portion (12).
5. the fire cover (3) of burner for gas kitchen range (1) as claimed in claim 2, which is characterized in that the inner ring cover (10) It include to be equipped with connection described second in the wall body portion (100) of first recessed portion (11), the wall body portion (100) to go out The interface channel (103) of port (102) and second recessed portion (12).
6. the fire cover (3) of burner for gas kitchen range (1) as claimed in claim 5, which is characterized in that including multiple connections Channel (103), multiple interface channels (103) are multiple connecting holes circumferentially distributed along the wall body portion (100).
7. the fire cover (3) of burner for gas kitchen range (1) as claimed in claim 5, which is characterized in that the wall body portion (100) Including extension outstanding (100a), the extension (100a) is provided under the use state of the fire cover (3) and separates First recessed portion (11) and second recessed portion (12).
8. the fire cover (3) of burner for gas kitchen range (1) as described in claim 1, which is characterized in that first gas outlet It (101) include outgassing groove, second gas outlet (102) includes multiple ventholes.
9. the fire cover (3) of burner for gas kitchen range (1) as claimed in claim 1 or 8, which is characterized in that on the fire cover (3) The gross area of all first gas outlets (101) is less than the gross area of all second gas outlets (102).
10. the fire cover (3) of burner for gas kitchen range (1) as described in claim 1, which is characterized in that first gas outlet It (101) include multiple ventholes, second gas outlet (102) includes outgassing groove.
11. the fire cover (3) of the burner for gas kitchen range (1) as described in claim 1 or 10, which is characterized in that the fire cover (3) The gross area of upper all first gas outlets (101) is greater than the gross area of all second gas outlets (102).
12. such as claim 1-8, the fire cover (3) of burner for gas kitchen range described in any one of 10 (1), which is characterized in that institute State the first gas outlet (101) and second gas outlet (102) be formed in it is same smooth on the inner ring cover (10) On surface (10b).
13. such as claim 1-8, the fire cover (3) of burner for gas kitchen range described in any one of 10 (1), which is characterized in that institute The outer rim for stating the outer rim of the upright projection of the first gas outlet (101) and the upright projection of second gas outlet (102) is located at together On one circumference.
14. such as claim 1-8, the fire cover (3) of burner for gas kitchen range described in any one of 10 (1), which is characterized in that institute State the single piece that fire cover (3) is integrally formed.
15. such as claim 1-8, the fire cover (3) of burner for gas kitchen range described in any one of 10 (1), which is characterized in that institute State the top cover that inner ring cover (10) includes inner ring portions and is removably covered in the inner ring portions.
16. a kind of burner (2) of burner for gas kitchen range (1), which is characterized in that including as described in any of the above item claim Fire cover (3).
17. the burner (2) of burner for gas kitchen range (1) as claimed in claim 16, which is characterized in that including fire cover pedestal (4), the fire cover (3) is removably covered on the fire cover pedestal (4), first recessed portion (11) and the fire cover bottom Seat (4) cooperatively forms inner ring mixing chamber (13), and the outer ring recessed portion (21) and the fire cover pedestal (4) cooperatively form outside described Ring mixing chamber (23), the outer ring mixing chamber (23) are isolated with the inner ring mixing chamber (13).
18. the burner (2) of burner for gas kitchen range (1) as claimed in claim 17, which is characterized in that the fire cover pedestal It (4) include inner ring fuel gas inlet (41), the inner ring fuel gas inlet (41) is used to supply for the inner ring gas nozzle (511) Combustion gas enter the burner (2), the fire cover pedestal (4) has barrel (40), and the entrance of the barrel (40) is constituted The inner ring fuel gas inlet (41);Under the use state of the burner (2), the barrel (40) with to surround described first recessed The part of concave portion (11) cooperatively forms the inner ring mixing chamber (13).
19. the burner (2) of burner for gas kitchen range (1) as claimed in claim 17, which is characterized in that the fire cover pedestal It (4) include outer ring fuel gas inlet (42), the outer ring fuel gas inlet (42) is used to supply for the outer ring gas nozzle (521) Combustion gas enter the burner (2), the fire cover pedestal (4) further includes having the air guide communicated with the outer ring fuel gas inlet (42) Slot (43), the air slot (43) and the fire cover (3) cooperatively form air guide channel, and the air guide channel is connected to the outer ring combustion Gas import (42) and the outer ring mixing chamber (23).
20. the burner (2) of burner for gas kitchen range (1) as claimed in claim 19, which is characterized in that the fire cover pedestal It (4) include external annulus (44) and multiple air intlets (46), the fire cover (3) respectively corresponds the multiple air intlet (46) and sets Have multiple air outlet slits (16), the air intlet (46) and the air outlet slit (16) cooperatively form air duct;The fire Cover base (4) has multiple spaced enclosing portions (45), and each enclosing portion (45) surrounds the air intlet (46), it is formed the air slot (43) between the adjacent two enclosing portions (45), the enclosing portion (45) and the outer ring It is formed between wall (44) fluted (47), the groove (47) is connected to the air slot (45), the groove (47) and described outer Ring recessed portion (21) cooperatively forms outer ring mixing chamber (23).
21. a kind of burner (2) of burner for gas kitchen range (1), including the outer ring mixing chamber (23) being isolated and inner ring mixing chamber (13), the outer ring mixing chamber (23) is used to accommodate the combustion gas supplied by outer ring gas nozzle (521), the inner ring mixing chamber (13) for accommodating the combustion gas supplied by inner ring gas nozzle (511);The burner (2) includes being distributed in the burner (2) The outer ring gas outlet (201,202) of outer region, the outer ring gas outlet (201,202) are connected with the outer ring mixing chamber (23) Logical, the burner (2) further includes the first gas outlet (101) and the second gas outlet for being distributed in the endocyclic area of the burner (2) (102), which is characterized in that
First gas outlet (101) is connected with the inner ring mixing chamber (13), second gas outlet (102) and described outer Ring mixing chamber (23) is connected.
22. the burner (2) of burner for gas kitchen range (1) as claimed in claim 21, which is characterized in that first gas outlet (101) it is formed on the same surface (10b) smoothly extended on the burner (2) with second gas outlet (102).
23. the burner (2) of burner for gas kitchen range (1) as claimed in claim 21, which is characterized in that the burner (2) is Integrally formed single piece.
24. the burner (2) of burner for gas kitchen range (1) as claimed in claim 21, which is characterized in that the burner (2) is Separable assembled forms.
25. a kind of burner for gas kitchen range (1), which is characterized in that including the burner as described in any one of claim 16-24 (2)。
26. burner for gas kitchen range (1) as claimed in claim 25, which is characterized in that described including burner base (5) Burner (2) is removably placed on the burner base (5).
27. burner for gas kitchen range (1) as claimed in claim 25, which is characterized in that described including burner base (5) Burner (2) is set on the burner base (5), and the burner base (5) includes inner ring spraying system (51) and outer ring Spraying system (52), the inner ring spraying system (51) include the inner ring gas nozzle (511) and the inner ring gas nozzle (511) connected inner ring ejector pipe (512) and the inner ring pressure stabilizing cavity (513) being connected with the inner ring ejector pipe (512);It is described Outer ring spraying system (52) includes that the outer ring gas nozzle (521), the outer ring being connected with the outer ring gas nozzle (521) draw The outer ring pressure stabilizing cavity (523) penetrating pipe (522) and being connected with the outer ring ejector pipe (522), the inner ring pressure stabilizing cavity (513) with The inner ring mixing chamber (13) or first recessed portion (11) are connected, and the outer ring pressure stabilizing cavity (523) and the outer ring are mixed Gas chamber (23) or the outer ring recessed portion (21) are connected.
28. a kind of gas-cooker, which is characterized in that including the burner for gas kitchen range as described in any one of claim 25-27 (1)。
CN201710337518.8A 2017-05-15 2017-05-15 Fire cover of combustor for gas stove, furnace end, combustor and gas stove Active CN108870389B (en)

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CN201710337518.8A CN108870389B (en) 2017-05-15 2017-05-15 Fire cover of combustor for gas stove, furnace end, combustor and gas stove

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201710337518.8A CN108870389B (en) 2017-05-15 2017-05-15 Fire cover of combustor for gas stove, furnace end, combustor and gas stove
EP18172353.7A EP3404324B1 (en) 2017-05-15 2018-05-15 Burner cap for burner of a gas cooktop, burner head, burner, and gas cooktop
EP18172364.4A EP3404325B1 (en) 2017-05-15 2018-05-15 Burner cap base for burner of a gas cooktop, burner, and gas cooktop

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CN108870389B CN108870389B (en) 2020-10-16

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CN111256125A (en) * 2018-11-30 2020-06-09 宁波方太厨具有限公司 Burner for gas stove

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CN205842644U (en) * 2016-07-15 2016-12-28 中山市卫氏燃具电器有限公司 A kind of burner
CN205939140U (en) * 2016-07-22 2017-02-08 绍兴市奥帅电器股份有限公司 Steady flame combustor of three ring fires

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Publication number Priority date Publication date Assignee Title
DE102004017308A1 (en) * 2004-04-06 2005-10-27 Isphording Germany Gmbh Gas burner, has supporting unit for upper burner head, where unit is arranged at upper end of pipe that has gas feed for secondary flame circle and inner and outer gas distribution spaces extend radially outside in burner head
CN2804634Y (en) * 2005-07-19 2006-08-09 胡志学 Burner having balanced air distribution
CN204629479U (en) * 2015-04-28 2015-09-09 嵊州市博能电器有限公司 A kind of burner of gas-cooker band bicubic bleed hole
CN205807416U (en) * 2016-05-20 2016-12-14 中山市华硕厨房设备有限公司 A kind of novel household gas range
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Publication number Priority date Publication date Assignee Title
CN111256125A (en) * 2018-11-30 2020-06-09 宁波方太厨具有限公司 Burner for gas stove
CN111256125B (en) * 2018-11-30 2021-11-12 宁波方太厨具有限公司 Burner for gas stove

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